| Label | Id | |
|---|---|---|
| 1,3-dioxophthalan | http://purl.obolibrary.org/obo/CHEBI_36605 | |
| 1,3-isobenzofurandione | http://purl.obolibrary.org/obo/CHEBI_36605 | |
| 1,3-phthalandione | http://purl.obolibrary.org/obo/CHEBI_36605 | |
| 2-benzofuran-1,3-dione | http://purl.obolibrary.org/obo/CHEBI_36605 | |
| Phthalsaeureanhydrid | http://purl.obolibrary.org/obo/CHEBI_36605 | |
| phthalic anhydride | http://purl.obolibrary.org/obo/CHEBI_36605 | |
| 1,2-benzenedicarboxylic acid anhydride | http://purl.obolibrary.org/obo/CHEBI_36605 | |
| o-phthalic acid anhydride | http://purl.obolibrary.org/obo/CHEBI_36605 | |
| ortho-phthalic acid anhydride | http://purl.obolibrary.org/obo/CHEBI_36605 |
